Of course. They accept visitors from any faith or creed providing they obey their traditions like removing shoes and covering the head.
Everyday but mainly Sunday or Thursday
some do while some don't
You just go to the gurdwara and get involved. It is not forbidden for anyone to enter the gurdwara. You are always welcome to go and listen to Gurbani. You have also the option at most Gurwara's eat Langar, which is made in the Gurdwara by volunteers for free.
Anyone of any religion can come to the gurudwara
There is a dome ontop of the gurdwara because it improves acoustics in services and makes it unique from other buildings
Not necessary, depending on each Sikhs desire and longing, it depends how much he or she is going to attend or visit the Gurudwara. Also, depends if Gurudwara is around the place a Sikh live.
Yes, anyone can enter a Gurdwara (the name for a Sikh temple).
Sikhs are involved with in a gurdwara
Anyone can attend
in a gurdwara you have to be respectful and quiet a gurdwara is a place of worship for which anyone can enter so you have to respect that when you enter a gurdwara you take your shoes of you are not allowed to bring any types of meat into the gurdwara and NO type of alcohol...
there is no symbol of the gurdwara
Which Maidstone? UK? No, but there are Gurdwara's in Gillingham and Chatham.